<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <link rel="stylesheet" href="./app.css">
  <script src="https://code.jquery.com/jquery-3.1.1.min.js"></script>
</head>
<body>
  <div class="form">
    <label>
      <span>姓名：</span>
      <input type="text" name="name" id="name">
    </label>
    <label>
      <span>留言：</span>
      <textarea name="content" id="textarea" cols="30" rows="10"></textarea>
    </label>
    <div class="btn">
      <button>提交</button>
    </div>
  </div>
  <h1>留言</h1>
  <div class="message-info"></div>
  <script src="./app.js"></script>
</body>

</html>